blob: 33de1dc049eccebd9c5217cce224f4616c51cb03 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
require 'active_support/descendants_tracker'
module ActionMailer
module Previews #:nodoc:
extend ActiveSupport::Concern
included do
# Set the location of mailer previews through app configuration:
#
# config.action_mailer.preview_path = "#{Rails.root}/lib/mailer_previews"
#
mattr_accessor :preview_path, instance_writer: false
# Enable or disable mailer previews through app configuration:
#
# config.action_mailer.show_previews = true
#
# Defaults to true for development environment
#
mattr_accessor :show_previews, instance_writer: false
# :nodoc:
mattr_accessor :preview_interceptors, instance_writer: false
self.preview_interceptors = []
# Register one or more Interceptors which will be called before mail is previewed.
def register_preview_interceptors(*interceptors)
interceptors.flatten.compact.each { |interceptor| register_preview_interceptor(interceptor) }
end
# Register an Interceptor which will be called before mail is previewed.
# Either a class or a string can be passed in as the Interceptor. If a
# string is passed in it will be <tt>constantize</tt>d.
def register_preview_interceptor(interceptor)
preview_interceptor = case interceptor
when String, Symbol
interceptor.to_s.camelize.constantize
else
interceptor
end
unless preview_interceptors.include?(preview_interceptor)
preview_interceptors << preview_interceptor
end
end
end
end
class Preview
extend ActiveSupport::DescendantsTracker
class << self
# Returns all mailer preview classes
def all
load_previews if descendants.empty?
descendants
end
# Returns the mail object for the given email name. The registered preview
# interceptors will be informed so that they can transform the message
# as they would if the mail was actually being delivered.
def call(email)
preview = self.new
message = preview.public_send(email)
inform_preview_interceptors(message)
message
end
# Returns all of the available email previews
def emails
public_instance_methods(false).map(&:to_s).sort
end
# Returns true if the email exists
def email_exists?(email)
emails.include?(email)
end
# Returns true if the preview exists
def exists?(preview)
all.any?{ |p| p.preview_name == preview }
end
# Find a mailer preview by its underscored class name
def find(preview)
all.find{ |p| p.preview_name == preview }
end
# Returns the underscored name of the mailer preview without the suffix
def preview_name
name.sub(/Preview$/, '').underscore
end
protected
def load_previews #:nodoc:
if preview_path
Dir["#{preview_path}/**/*_preview.rb"].each{ |file| require_dependency file }
end
end
def preview_path #:nodoc:
Base.preview_path
end
def show_previews #:nodoc:
Base.show_previews
end
def inform_preview_interceptors(message) #:nodoc:
Base.preview_interceptors.each do |interceptor|
interceptor.previewing_email(message)
end
end
end
end
end
|
